<template>
  <div class="clue-container">
    <!-- 搜索表单 -->
    <el-form :inline="true" :model="searchForm" class="search-form">
      <el-form-item label="客户姓名">
        <el-input v-model="searchForm.name" placeholder="请输入客户姓名" size="small" />
      </el-form-item>
      <el-form-item label="客户手机">
        <el-input v-model="searchForm.phone" placeholder="请输入客户手机号" size="small" />
      </el-form-item>
      <el-form-item label="归属人">
        <el-input v-model="searchForm.owner" placeholder="请输入线索归属人" size="small" />
      </el-form-item>
      <el-form-item label="渠道来源">
        <el-select v-model="searchForm.channelId" placeholder="渠道来源" size="small" clearable>
          <el-option v-for="item in channelOptions" :key="item.value" :label="item.label" :value="item.value" />
        </el-select>
      </el-form-item>
      <el-form-item label="线索状态">
        <el-select v-model="searchForm.status" placeholder="线索状态" size="small" clearable>
          <el-option v-for="item in statusOptions" :key="item.value" :label="item.label" :value="item.value" />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" size="small" @click="handleSearch">搜索</el-button>
        <el-button size="small" @click="handleReset">重置</el-button>
      </el-form-item>
    </el-form>

    <!-- 操作按钮 -->
    <div style="margin: 10px 0;padding: 0 10px;">
      <el-button type="primary" size="small" @click="openAddDialog">新增</el-button>
      <el-button type="success" size="small" @click="onEdit" :disabled="!selectedRow">修改</el-button>
      <el-button type="danger" size="small">删除</el-button>
      <el-button type="warning" size="small" @click="handleExport">导出</el-button>
    </div>

    <!-- 数据表格 -->
    <el-table
      :data="tableData"
      stripe
      style="width: 100%;padding: 0 10px;"
      @selection-change="handleSelectionChange"
      :row-key="row => row.clueId"
      ref="clueTable"
    >
      <el-table-column type="selection" width="50" :selectable="selectableOnlyOne" />
      <el-table-column prop="clueId" label="线索编号" width="100" />
      <el-table-column prop="name" label="客户姓名" width="150" />
      <el-table-column prop="phone" label="手机号" width="150" />
      <el-table-column prop="channelName" label="渠道来源" width="150" />
      <el-table-column prop="createTime" label="下次跟进时间" width="160" align="center">
        <template #default="scope">
          <span class="gray-time">{{ (scope.row.createTime || '').replace('T', ' ') }}</span>
        </template>
      </el-table-column>
      <el-table-column prop="owner" label="线索归属" width="100" />
      <el-table-column prop="status" label="线索状态" width="82">
        <template #default="scope">
          <el-tag
            type="info"
            style="background-color: #e6f7ff; color: #409EFF; border: none;padding: 0 10px;"
            effect="light"
            v-if="scope.row.status === 1 || scope.row.status === '已分配'"
          >
            已分配
          </el-tag>
        </template>
      </el-table-column>
      <el-table-column prop="nextTime" label="下次跟进时间" width="160" align="center">
        <template #default="scope">
          <span class="gray-time">{{ (scope.row.nextTime || '').replace('T', ' ') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" width="180">
        <template #default="scope">
          <el-link type="primary" @click="onView(scope.row)">
            <el-icon style="vertical-align: middle;"><View /></el-icon>
            <span style="margin-left: 2px;vertical-align: middle;">查看</span>
          </el-link>
          <el-link type="success" @click="onAssign(scope.row)">
            <el-icon style="margin-left: 8px;vertical-align: middle;"><Pointer /></el-icon>
            <span style="margin-left: 2px;vertical-align: middle;">分配</span>
          </el-link>
          <el-tag v-if="scope.row.type !== undefined" size="small" style="margin-left: 6px;vertical-align: middle;">
            {{ scope.row.type === 0 ? '普通' : scope.row.type === 1 ? '重要' : '未知' }}
          </el-tag>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页 -->
    <div style="display: flex;justify-content: center;align-items: center;margin-top: 10px;">
      <el-pagination
        background
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        :page-size="pageSize"
        :current-page="currentPage"
        :page-sizes="[10, 20, 50, 100]"
        @size-change="handleSizeChange"
        @current-change="handlePageChange"
      />
    </div>

    <!-- 分配弹窗 -->
    <el-dialog v-model="assignDialogVisible" title="分配线索" width="600px">
      <el-form :model="assignForm" label-width="100px">
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="归属部门" prop="deptId" required>
              <el-tree-select
                v-model="assignForm.deptId"
                :data="deptOptions"
                :props="{ label: 'label', value: 'id', children: 'children' }"
                placeholder="请选择归属部门"
                check-strictly
                style="width: 100%;"
                @change="handleDeptChange"
              />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="分配给" prop="userId" required>
              <el-select v-model="assignForm.userId" placeholder="选择用户" :disabled="!userOptions.length">
                <el-option v-for="user in userOptions" :key="user.userId" :label="user.nickName" :value="user.userId" />
              </el-select>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <template #footer>
        <el-button @click="assignDialogVisible = false">取消</el-button>
        <el-button type="primary" @click="handleAssignSubmit">确定</el-button>
      </template>
    </el-dialog>

    <!-- 新增线索弹窗 -->
    <el-dialog v-model="showAddDialog" :title="isEdit ? '编辑线索' : '添加线索'" width="800px">
      <el-form :model="addForm" label-width="90px" :rules="addRules" ref="addFormRef" class="add-form">
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="手机号" prop="phone" required>
              <el-input v-model="addForm.phone" placeholder="请输入手机号" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="客户姓名" prop="name" required>
              <el-input v-model="addForm.name" placeholder="请输入客户姓名" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="渠道来源" prop="channelId">
              <el-select v-model="addForm.channelId" placeholder="渠道来源" @change="handleAddChannelChange">
                <el-option v-for="item in channelOptions" :key="item.value" :label="item.label" :value="item.value" />
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="活动信息" prop="activityId">
              <el-select v-model="addForm.activityId" placeholder="活动信息">
                <el-option v-for="item in activityOptions" :key="item.value" :label="item.name" :value="item.activityId" />
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="客户性别" prop="gender">
              <el-radio-group v-model="addForm.gender">
                <el-radio :label="0">男</el-radio>
                <el-radio :label="1">女</el-radio>
                <el-radio :label="2">未知</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="微信号" prop="weixin">
              <el-input v-model="addForm.weixin" placeholder="请输入微信号" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="QQ号码" prop="qq">
              <el-input v-model="addForm.qq" placeholder="请输入QQ号码" />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="客户年龄" prop="age">
              <el-input-number v-model="addForm.age" :min="0" :max="120" />
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <template #footer>
        <el-button @click="showAddDialog = false">取消</el-button>
        <el-button type="primary" @click="isEdit ? handleUpdateSubmit() : handleAddSubmit()">{{ isEdit ? '更新' : '确定' }}</el-button>
      </template>
    </el-dialog>
    </div>
</template>

<script setup>
import { ref, onMounted } from 'vue'
import request from '@/utils/request'
import { ElMessage } from 'element-plus'
import { View, Pointer } from '@element-plus/icons-vue'
import { download } from '@/utils/request'
import { useRouter } from 'vue-router'

const channelOptions = [
  { value: 1, label: '抖音短视频' },
  { value: 2, label: '线下地推' },
  { value: 3, label: '公众号推广' },
  { value: 4, label: '小程序推广' }
]
const statusOptions = [
  { value: 1, label: '已分配' },
  // 可根据实际接口补充更多状态
]

const searchForm = ref({
  name: '',
  phone: '',
  owner: '',
  channelId: undefined,
  status: undefined
})

const tableData = ref([])
const total = ref(0)
const pageSize = ref(10)
const currentPage = ref(1)
const loading = ref(false)

// 分配弹窗相关
const assignDialogVisible = ref(false)
const assignForm = ref({ deptId: '', userId: '' })
const deptOptions = ref([])
const userOptions = ref([])
let currentAssignRow = null

// 新增线索相关
const showAddDialog = ref(false)
const addFormRef = ref()
const addForm = ref({
  phone: '',
  name: '',
  channelId: undefined,
  activityId: undefined,
  gender: 0,
  age: undefined,
  weixin: '',
  qq: ''
})
const addRules = {
  phone: [{ required: true, message: '请输入手机号', trigger: 'blur' }],
  name: [{ required: true, message: '请输入客户姓名', trigger: 'blur' }]
}
const activityOptions = ref([])
const isEdit = ref(false)
const editId = ref(null)
const selectedRow = ref(null)
const clueTable = ref()
const router = useRouter()

function fetchData() {
  loading.value = true
  request({
    url: '/tienchin/clue/list',
    method: 'get',
    params: {
      pageNum: currentPage.value,
      pageSize: pageSize.value,
      name: searchForm.value.name,
      phone: searchForm.value.phone,
      owner: searchForm.value.owner,
      channelId: searchForm.value.channelId,
      status: searchForm.value.status
    }
  }).then(res => {
    tableData.value = res.rows || []
    total.value = res.total || 0
  }).finally(() => {
    loading.value = false
  })
}

function handleSearch() {
  currentPage.value = 1
  fetchData()
}
function handleReset() {
  searchForm.value = { name: '', phone: '', owner: '', channelId: undefined, status: undefined }
  currentPage.value = 1
  fetchData()
}
function handleSizeChange(val) {
  pageSize.value = val
  currentPage.value = 1
  fetchData()
}
function handlePageChange(val) {
  currentPage.value = val
  fetchData()
}

function onView(row) {
  // 跳转到详情页，传递id
  router.push(`/clue/details/index/${row.clueId}/view`)
}
function onAssign(row) {
  currentAssignRow = row
  assignForm.value = { deptId: '', userId: '' }
  userOptions.value = []
  assignDialogVisible.value = true
  // 获取部门树
  request({ url: '/system/dept/treeselect', method: 'get' }).then(res => {
    deptOptions.value = res.data || []
  })
}
function handleDeptChange(deptId) {
  assignForm.value.userId = ''
  userOptions.value = []
  if (!deptId) return
  request({ url: `/tienchin/clue/users/${deptId}`, method: 'get' }).then(res => {
    userOptions.value = res.data || []
  })
}
function handleAssignSubmit() {
  if (!assignForm.value.deptId || !assignForm.value.userId) {
    ElMessage.error('请选择归属部门和分配用户')
    return
  }
  // 获取选中的用户对象
  const user = userOptions.value.find(u => u.userId === assignForm.value.userId)
  if (!user) {
    ElMessage.error('请选择有效的分配用户')
    return
  }
  const postData = {
    assignId: currentAssignRow.clueId,
    departmentId: assignForm.value.deptId,
    deptId: assignForm.value.deptId,
    nickName: user.nickName,
    type: 0,
    userId: user.userId,
    userName: user.userName
  }
  request({
    url: '/tienchin/assignment',
    method: 'post',
    data: postData
  }).then(() => {
    ElMessage.success('分配成功')
    assignDialogVisible.value = false
    fetchData()
  })
}

function openAddDialog() {
  isEdit.value = false
  editId.value = null
  addForm.value = {
    phone: '',
    name: '',
    channelId: undefined,
    activityId: undefined,
    gender: 0,
    age: undefined,
    weixin: '',
    qq: ''
  }
  activityOptions.value = []
  showAddDialog.value = true
}

function onEdit() {
  // 这里只支持单选编辑
  const selection = getSelection()
  if (!selection) {
    ElMessage.warning('请先选择一条要编辑的数据')
    return
  }
  isEdit.value = true
  editId.value = selection.clueId
  // 获取详情
  request({ url: `/tienchin/clue/summary/${editId.value}`, method: 'get' }).then(res => {
    const data = res.data || {}
    // 先设置渠道来源
    addForm.value = {
      phone: data.phone,
      name: data.name,
      channelId: data.channelId,
      activityId: undefined, // 先不设置，等活动信息加载后再设置
      gender: data.gender,
      age: data.age,
      weixin: data.weixin,
      qq: data.qq
    }
    // 先加载活动信息
    handleAddChannelChange(data.channelId, data.activityId)
    showAddDialog.value = true
  })
}

function handleAddChannelChange(channelId, activityIdToSet) {
  addForm.value.activityId = undefined
  activityOptions.value = []
  if (!channelId) return
  request({ url: `/tienchin/clue/activity/${channelId}`, method: 'get' }).then(res => {
    activityOptions.value = res.data || []
    // 如果是编辑，回显activityId
    if (activityIdToSet) {
      addForm.value.activityId = activityIdToSet
    }
  })
}

function handleAddSubmit() {
  addFormRef.value.validate(valid => {
    if (!valid) return
    request({
      url: '/tienchin/clue',
      method: 'post',
      data: addForm.value
    }).then(() => {
      ElMessage.success('添加成功')
      showAddDialog.value = false
      fetchData()
    })
  })
}

function handleUpdateSubmit() {
  addFormRef.value.validate(valid => {
    if (!valid) return
    request({
      url: '/tienchin/clue',
      method: 'put',
      data: { ...addForm.value, clueId: editId.value }
    }).then(() => {
      ElMessage.success('更新成功')
      showAddDialog.value = false
      fetchData()
    })
  })
}

// 获取表格选中行（单选）
function getSelection() {
  // 这里假设el-table有ref="clueTable"
  // 你可以根据实际表格多选实现调整
  // 或直接用tableData.value.find(...)
  const table = document.querySelector('.el-table__body')
  if (!table) return null
  // 这里只做演示，建议用el-table的selection-change事件维护选中行
  // 你可以用el-table的ref和getSelectionRows
  return selectedRow.value
}

function handleSelectionChange(selection) {
  if (selection.length === 1) {
    selectedRow.value = selection[0]
  } else {
    selectedRow.value = null
  }
}
function selectableOnlyOne(row, index) {
  // 只允许单选，已选后其它不可选
  if (clueTable.value) {
    const selected = clueTable.value.getSelectionRows()
    return selected.length === 0 || selected[0].clueId === row.clueId
  }
  return true
}

function handleExport() {
  download('/tienchin/course/export', {
    pageNum: currentPage.value,
    pageSize: pageSize.value,
    // 可根据需要添加更多参数
  }, '课程数据.xlsx')
}

onMounted(() => {
  fetchData()
})
</script>

<style lang="scss" scoped>
* {
  margin: 0;
  padding: 0;
}
.search-form {
  margin-bottom: 10px;
  padding:0 10px;
}
.gray-time {
  color: #909399;
  font-size: 14px;
}
.clue-container {
  padding:10px;
}
.el-button, .el-link {
  font-size: 12px !important;
}
.el-button {
  height: 25px !important;
  padding: 0 15px !important;
}
.add-form .el-form-item {
  margin-bottom: 18px;
}
</style>